# A355235 (b-file synthesized from sequence entry) 0 0 1 1 2 0 3 2 4 3 5 40 6 230 7 4664 8 69160 9 2692320 10 92337072 11 7377183360 12 561596031744 13 94107667481472 14 15571512343805184 15 5506994273113257984 16 1955013641428681233408 17 1459378050438033715961856 18 1101502067162420292961916928